The metric system

The meter was defined as one ten-millionth of the distance from the equator to the North Pole. This system simplified and unified measurements worldwide by adopting a decimal-based approach, greatly aiding scientific and commercial practices.
 Lagrange, Lavoisier, et al France 1790 The metric system

The meter was defined as one ten-millionth of the distance from the equator to the North Pole. This system simplified and unified measurements worldwide by adopting a decimal-based approach, greatly aiding scientific and commercial practices.